diff --git a/core/core.api.php b/core/core.api.php
index 0be1870..9fe314d 100644
--- a/core/core.api.php
+++ b/core/core.api.php
@@ -1196,7 +1196,7 @@
  * You can run both Simpletest and PHPUnit tests by enabling the core Testing
  * module (core/modules/simpletest). Once that module is enabled, tests can be
  * run using the core/scripts/run-tests.sh script, using
- * @link https://www.drupal.org/project/drush Drush @endlink, or from the
+ * @link https://www.drupal.org/node/645286 Running PHPUnit tests @endlink, or from the
  *   Testing module user interface.
  *
  * PHPUnit tests can also be run from the command line, using the PHPUnit